Marg Helgenberger
Acting
🎂 1958-11-16
Mary Marg Helgenberger (born November 16, 1958) is an American actress. She began her career in the early 1980s and first came to attention for playing the role of Siobhan Ryan on the daytime soap opera Ryan's Hope from 1982 to 1986. She is best known for her role as Catherine Willows in the CBS police procedural drama CSI: Crime Scene Investigation (2000–13) and the subsequent TV movie Immortality (2015). She reprised the role in the sequel CSI: Vegas (2022–present). Helgenberger is also known for playing the role of K.C. Koloski in the ABC drama China Beach (1988–91), which earned her the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series. She is also known for roles in the TV series Under the Dome and Intelligence, and the films Species (1995), Species II (1998), Erin Brockovich (2000), and Mr. Brooks (2007). Description above from the Wikipedia article Marg Helgenberger, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Cast credits(74)
Catherine Willows
2000
Mrs. Hanover / Pretty Student (voice)
1997
Emily
1993
Victoria Rollins / Laura Norwood
1986
Karen Hines
1994
Self - Guest Judge
2009
Self - Judge (archive footage)
2009
Self - Presenter
1956
Self - Audience Member
1944
Self - Nominee
1944
Self - Presenter
1944
Self
1997
Christine Price
2013
Vicki
1989
Self
2003
Self - Guest
1988
Self
2004
1987
Catherine Willows
2021
Self
1993
Lisa Benner
2019
Self - Guest
1993
Alison Sinclair
1995
Self
2020
Nancy Kettering
1985
Donna Jensen
2000
KC Koloski
1988
Dr. Laura Baker
1995
Eve Cressy
1993
Self
1972
Dr. Laura Baker
1998
Sarah Kellogg
1997
Lillian Strand
2014
Hannah Montgomery
2019
Patsy Ramsey
2000
Emma Brooks
2007
1994
Laurie Fisher
1992
Virginia Whitelaw
1990
Ann
2004
Rachel
1989
Hera (voice)
2009
Catherine Willows
2015
Self
2019
Lt. (j.g.) Kay Dolan
1995
Jennetta
1991
Lizzy
1997
Alice
2008
Samantha
2017
Joanna (uncredited)
1996
Kate Nessen
1994
1981
Margarette
1994
Ellen Farris
1999
Bobbi Anderson
1993
Alex (segment "All Night Operator")
1989
Det. Rose Ekberg
1996
Jen Powell
1999
Jerrilynn Folz
1998
K.C. Kolowski
1988
Vanessa Meyer Vernon Scott
1994
Connie
1993
Crista Westfield
1991
Anna Hobson
1998
Darlene Carpenter
1995
Mickey
1992
Self
1999
Debbie Banister
1993
Karen DiCilia
1997
Patsy Ramsey
2000
Georgeanne Bidwell
1993
1987
Maureen 'Kick' Kickasola
1994
Pia Postman
1997